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ReasoningAges 10-12

Number patterns

Find the addition rule in a number sequence and use it to complete the next term. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 5, 18, 31, 44, ____
2. What comes next? 1, 6, 11, 16, ____
3. What comes next? 2, 12, 22, 32, ____
4. What comes next? 14, 27, 40, 53, ____
5. What comes next? 3, 9, 15, 21, ____
6. What comes next? 17, 30, 43, 56, ____
7. What comes next? 3, 18, 33, 48, ____
8. What comes next? 11, 21, 31, 41, ____
9. What comes next? 8, 18, 28, 38, ____
10. What comes next? 7, 19, 31, 43, ____
11. What comes next? 9, 13, 17, 21, ____
12. What comes next? 6, 13, 20, 27, ____

12 questions · Seed 109 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 5, 18, 31, 44, ____
57
Add 13 each time.
2. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
3. What comes next? 2, 12, 22, 32, ____
42
Add 10 each time.
4. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
5. What comes next? 3, 9, 15, 21, ____
27
Add 6 each time.
6. What comes next? 17, 30, 43, 56, ____
69
Add 13 each time.
7. What comes next? 3, 18, 33, 48, ____
63
Add 15 each time.
8. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.
9. What comes next? 8, 18, 28, 38, ____
48
Add 10 each time.
10. What comes next? 7, 19, 31, 43, ____
55
Add 12 each time.
11. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
12. What comes next? 6, 13, 20, 27, ____
34
Add 7 each time.

12 questions · Seed 109 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 5, 18, 31, 44, ____
2. What comes next? 1, 6, 11, 16, ____
3. What comes next? 2, 12, 22, 32, ____
4. What comes next? 14, 27, 40, 53, ____
5. What comes next? 3, 9, 15, 21, ____
6. What comes next? 17, 30, 43, 56, ____
7. What comes next? 3, 18, 33, 48, ____
8. What comes next? 11, 21, 31, 41, ____
9. What comes next? 8, 18, 28, 38, ____
10. What comes next? 7, 19, 31, 43, ____
11. What comes next? 9, 13, 17, 21, ____
12. What comes next? 6, 13, 20, 27, ____

12 questions · Seed 109 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 5, 18, 31, 44, ____
57
Add 13 each time.
2. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
3. What comes next? 2, 12, 22, 32, ____
42
Add 10 each time.
4. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
5. What comes next? 3, 9, 15, 21, ____
27
Add 6 each time.
6. What comes next? 17, 30, 43, 56, ____
69
Add 13 each time.
7. What comes next? 3, 18, 33, 48, ____
63
Add 15 each time.
8. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.
9. What comes next? 8, 18, 28, 38, ____
48
Add 10 each time.
10. What comes next? 7, 19, 31, 43, ____
55
Add 12 each time.
11. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
12. What comes next? 6, 13, 20, 27, ____
34
Add 7 each time.

12 questions · Seed 109 · Age guidance, not curriculum certification